Quarterly report pursuant to Section 13 or 15(d)

Business and Summary of Significant Accounting Principles (Pro-Forma Information) (Details)

v2.4.0.8
Business and Summary of Significant Accounting Principles (Pro-Forma Information) (Details) (ACS [Member], USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2013
ACS [Member]
   
Business Acquisition [Line Items]    
Pro forma consolidated revenue $ 227,132 $ 445,230